Flash 100/300/600 mSec- Hold with Indicator- Redial- Pause- Mute with Indicator- Desk/Wall Mountable- 2.5 mm Headset Jack- Speakerphone- Caller ID/Call Waiting Memory for 50 Calls- Wide Angel, Adjustable LCD- Voice Mail Indication FSK/Stutter/90V/24V- On Hook Pre-dial- Directory Button Save up to 99 Names & Numbers- Five One-Touch/Five Two-Touch Speed Dial- Programmable Flash Time 100/120/300/600 mSec- Handset Receive Volume Control 8 Levels- Programmable Ring Cadence 12 Positions- Programmable Ring Volume 4 Levels/Off- Data Port on Line 2- Headset Button, Release Button- 7-10-11 Button- Three Languages English/French/Spanish- Programmable Area Code- Programmable LDS Code- Programmable PBX Access Code- Programmable VIP Alert- Clock- Call Timer- 7.5V DC Adaptor